From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mx1.redhat.com (mx1.redhat.com [172.16.48.31]) by int-mx1.corp.redhat.com (8.11.6/8.11.6) with SMTP id i2HIDsj14624 for ; Wed, 17 Mar 2004 13:13:54 -0500 Received: from mail.osdl.org (fw.osdl.org [65.172.181.6]) by mx1.redhat.com (8.12.10/8.12.10) with SMTP id i2HIDr4b022764 for ; Wed, 17 Mar 2004 13:13:53 -0500 Received: from acpi.pdx.osdl.net (acpi.pdx.osdl.net [172.20.1.40]) by mail.osdl.org (8.11.6/8.11.6) with ESMTP id i2HIDmE02740 for ; Wed, 17 Mar 2004 10:13:48 -0800 Received: from acpi.pdx.osdl.net (localhost.localdomain [127.0.0.1]) by acpi.pdx.osdl.net (8.12.5/8.12.5) with ESMTP id i2HIFmXQ002343 for ; Wed, 17 Mar 2004 10:15:48 -0800 Received: (from dmo@localhost) by acpi.pdx.osdl.net (8.12.5/8.12.5/Submit) id i2HIFm0Y002341 for linux-lvm@redhat.com; Wed, 17 Mar 2004 10:15:48 -0800 Date: Wed, 17 Mar 2004 10:15:48 -0800 From: Dave Olien Subject: Re: [linux-lvm] LVM2 scalability within volume group Message-ID: <20040317181548.GA2290@osdl.org> References: <20040317173637.GA2126@osdl.org> <20040317120005.C31599@homer.msp.redhat.com> Mime-Version: 1.0 Content-Disposition: inline In-Reply-To: <20040317120005.C31599@homer.msp.redhat.com> Reply-To: LVM general discussion and development List-Id: LVM general discussion and development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , List-Id: Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: LVM general discussion and development Thanks! The pvcreate man page I have installed now (from LVM2.00.08) doesn't mention this option. I'll move to the cvs version and give it a try. Dave On Wed, Mar 17, 2004 at 12:00:05PM -0600, Alasdair G Kergon wrote: > On Wed, Mar 17, 2004 at 09:36:38AM -0800, Dave Olien wrote: > > Having redundant copies of meta data is a good thing. But how about > > allowing the adminstrator to set a limit on the degree of redundancy when > > a VG is created. You could limit a VG to having for example 10 redundant > > copies. Then adding more PVs beyond the 10th would encounter less overhead. > > Am I missing something important? > > There'll be a VG-level option for this eventually; until then, use the > pvcreate options to say how many copies of metadata you want on each PV. > e.g. pvcreate --metadatacopies 0 > [Careful use of the --restorefile option lets you reduce it on a PV already in the VG.] > > For complex VGs you should increase the space set aside for metadata too: > --metadatasize > > See the pvcreate man page. > > Alasdair > -- > agk@redhat.com > _______________________________________________ > linux-lvm mailing list > linux-lvm@redhat.com > https://www.redhat.com/mailman/listinfo/linux-lvm > read the LVM HOW-TO at http://tldp.org/HOWTO/LVM-HOWTO/